1//===--- CodeGenOptions.def - Code generation option database ----- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// This file defines the code generation options. Users of this file
10// must define the CODEGENOPT macro to make use of this information.
11// Optionally, the user may also define ENUM_CODEGENOPT (for options
12// that have enumeration type and VALUE_CODEGENOPT is a code
13// generation option that describes a value rather than a flag.
14//
15//===----------------------------------------------------------------------===//
16#ifndef CODEGENOPT
17#  error Define the CODEGENOPT macro to handle language options
18#endif
19
20#ifndef VALUE_CODEGENOPT
21#  define VALUE_CODEGENOPT(Name, Bits, Default) \
22CODEGENOPT(Name, Bits, Default)
23#endif
24
25#ifndef ENUM_CODEGENOPT
26#  define ENUM_CODEGENOPT(Name, Type, Bits, Default) \
27CODEGENOPT(Name, Bits, Default)
28#endif
29
30CODEGENOPT(DisableIntegratedAS, 1, 0) ///< -no-integrated-as
31ENUM_CODEGENOPT(CompressDebugSections, llvm::DebugCompressionType, 2,
32                llvm::DebugCompressionType::None)
33CODEGENOPT(RelaxELFRelocations, 1, 0) ///< -Wa,--mrelax-relocations
34CODEGENOPT(AsmVerbose        , 1, 0) ///< -dA, -fverbose-asm.
35CODEGENOPT(Dwarf64           , 1, 0) ///< -gdwarf64.
36CODEGENOPT(Dwarf32           , 1, 1) ///< -gdwarf32.
37CODEGENOPT(PreserveAsmComments, 1, 1) ///< -dA, -fno-preserve-as-comments.
38CODEGENOPT(AssumeSaneOperatorNew , 1, 1) ///< implicit __attribute__((malloc)) operator new
39CODEGENOPT(Autolink          , 1, 1) ///< -fno-autolink
40CODEGENOPT(ObjCAutoRefCountExceptions , 1, 0) ///< Whether ARC should be EH-safe.
41CODEGENOPT(Backchain         , 1, 0) ///< -mbackchain
42CODEGENOPT(IgnoreXCOFFVisibility         , 1, 0) ///< -mignore-xcoff-visibility
43CODEGENOPT(ControlFlowGuardNoChecks  , 1, 0) ///< -cfguard-no-checks
44CODEGENOPT(ControlFlowGuard  , 1, 0) ///< -cfguard
45CODEGENOPT(CXAAtExit         , 1, 1) ///< Use __cxa_atexit for calling destructors.
46CODEGENOPT(RegisterGlobalDtorsWithAtExit, 1, 1) ///< Use atexit or __cxa_atexit to register global destructors.
47CODEGENOPT(CXXCtorDtorAliases, 1, 0) ///< Emit complete ctors/dtors as linker
48                                     ///< aliases to base ctors when possible.
49CODEGENOPT(DataSections      , 1, 0) ///< Set when -fdata-sections is enabled.
50CODEGENOPT(UniqueSectionNames, 1, 1) ///< Set for -funique-section-names.
51CODEGENOPT(UniqueBasicBlockSectionNames, 1, 1) ///< Set for -funique-basic-block-section-names,
52                                               ///< Produce unique section names with
53                                               ///< basic block sections.
54CODEGENOPT(EnableAIXExtendedAltivecABI, 1, 0) ///< Set for -mabi=vec-extabi. Enables the extended Altivec ABI on AIX.
55ENUM_CODEGENOPT(FramePointer, FramePointerKind, 2, FramePointerKind::None) /// frame-pointer: all,non-leaf,none
56
57CODEGENOPT(DisableFree       , 1, 0) ///< Don't free memory.
58CODEGENOPT(DiscardValueNames , 1, 0) ///< Discard Value Names from the IR (LLVMContext flag)
59CODEGENOPT(DisableLLVMPasses , 1, 0) ///< Don't run any LLVM IR passes to get
60                                     ///< the pristine IR generated by the
61                                     ///< frontend.
62CODEGENOPT(DisableLifetimeMarkers, 1, 0) ///< Don't emit any lifetime markers
63CODEGENOPT(DisableO0ImplyOptNone , 1, 0) ///< Don't annonate function with optnone at O0
64CODEGENOPT(ExperimentalStrictFloatingPoint, 1, 0) ///< Enables the new, experimental
65                                                  ///< strict floating point.
66CODEGENOPT(LegacyPassManager, 1, 0) ///< Use the legacy pass manager.
67CODEGENOPT(DebugPassManager, 1, 0) ///< Prints debug information for the new
68                                   ///< pass manager.
69CODEGENOPT(DisableRedZone    , 1, 0) ///< Set when -mno-red-zone is enabled.
70CODEGENOPT(EmitCallSiteInfo, 1, 0) ///< Emit call site info only in the case of
71                                   ///< '-g' + 'O>0' level.
72CODEGENOPT(IndirectTlsSegRefs, 1, 0) ///< Set when -mno-tls-direct-seg-refs
73                                     ///< is specified.
74CODEGENOPT(DisableTailCalls  , 1, 0) ///< Do not emit tail calls.
75CODEGENOPT(NoEscapingBlockTailCalls, 1, 0) ///< Do not emit tail calls from
76                                           ///< escaping blocks.
77CODEGENOPT(EmitDeclMetadata  , 1, 0) ///< Emit special metadata indicating what
78                                     ///< Decl* various IR entities came from.
79                                     ///< Only useful when running CodeGen as a
80                                     ///< subroutine.
81CODEGENOPT(EmitVersionIdentMetadata , 1, 1) ///< Emit compiler version metadata.
82CODEGENOPT(EmitGcovArcs      , 1, 0) ///< Emit coverage data files, aka. GCDA.
83CODEGENOPT(EmitGcovNotes     , 1, 0) ///< Emit coverage "notes" files, aka GCNO.
84CODEGENOPT(EmitOpenCLArgMetadata , 1, 0) ///< Emit OpenCL kernel arg metadata.
85CODEGENOPT(EmulatedTLS       , 1, 0) ///< Set by default or -f[no-]emulated-tls.
86CODEGENOPT(ExplicitEmulatedTLS , 1, 0) ///< Set if -f[no-]emulated-tls is used.
87/// Embed Bitcode mode (off/all/bitcode/marker).
88ENUM_CODEGENOPT(EmbedBitcode, EmbedBitcodeKind, 2, Embed_Off)
89CODEGENOPT(ForbidGuardVariables , 1, 0) ///< Issue errors if C++ guard variables
90                                        ///< are required.
91CODEGENOPT(FunctionSections  , 1, 0) ///< Set when -ffunction-sections is enabled.
92CODEGENOPT(InstrumentFunctions , 1, 0) ///< Set when -finstrument-functions is
93                                       ///< enabled.
94CODEGENOPT(InstrumentFunctionsAfterInlining , 1, 0) ///< Set when
95                          ///< -finstrument-functions-after-inlining is enabled.
96CODEGENOPT(InstrumentFunctionEntryBare , 1, 0) ///< Set when
97                               ///< -finstrument-function-entry-bare is enabled.
98CODEGENOPT(CFProtectionReturn , 1, 0) ///< if -fcf-protection is
99                                      ///< set to full or return.
100CODEGENOPT(CFProtectionBranch , 1, 0) ///< if -fcf-protection is
101                                      ///< set to full or branch.
102CODEGENOPT(XRayInstrumentFunctions , 1, 0) ///< Set when -fxray-instrument is
103                                           ///< enabled.
104CODEGENOPT(StackSizeSection  , 1, 0) ///< Set when -fstack-size-section is enabled.
105CODEGENOPT(ForceDwarfFrameSection , 1, 0) ///< Set when -fforce-dwarf-frame is
106                                          ///< enabled.
107
108///< Set when -fxray-always-emit-customevents is enabled.
109CODEGENOPT(XRayAlwaysEmitCustomEvents , 1, 0)
110
111///< Set when -fxray-always-emit-typedevents is enabled.
112CODEGENOPT(XRayAlwaysEmitTypedEvents , 1, 0)
113
114///< Set when -fxray-ignore-loops is enabled.
115CODEGENOPT(XRayIgnoreLoops , 1, 0)
116
117///< Set with -fno-xray-function-index to omit the index section.
118CODEGENOPT(XRayOmitFunctionIndex , 1, 0)
119
120
121///< Set the minimum number of instructions in a function to determine selective
122///< XRay instrumentation.
123VALUE_CODEGENOPT(XRayInstructionThreshold , 32, 200)
124
125///< Only instrument 1 in N functions, by dividing functions into N total groups and
126///< instrumenting only the specified group at a time. Group numbers start at 0
127///< and end at N-1.
128VALUE_CODEGENOPT(XRayTotalFunctionGroups, 32, 1)
129VALUE_CODEGENOPT(XRaySelectedFunctionGroup, 32, 0)
130
131VALUE_CODEGENOPT(PatchableFunctionEntryCount , 32, 0) ///< Number of NOPs at function entry
132VALUE_CODEGENOPT(PatchableFunctionEntryOffset , 32, 0)
133
134CODEGENOPT(InstrumentForProfiling , 1, 0) ///< Set when -pg is enabled.
135CODEGENOPT(CallFEntry , 1, 0) ///< Set when -mfentry is enabled.
136CODEGENOPT(MNopMCount , 1, 0) ///< Set when -mnop-mcount is enabled.
137CODEGENOPT(RecordMCount , 1, 0) ///< Set when -mrecord-mcount is enabled.
138CODEGENOPT(PackedStack , 1, 0) ///< Set when -mpacked-stack is enabled.
139CODEGENOPT(LessPreciseFPMAD  , 1, 0) ///< Enable less precise MAD instructions to
140                                     ///< be generated.
141CODEGENOPT(PrepareForLTO     , 1, 0) ///< Set when -flto is enabled on the
142                                     ///< compile step.
143CODEGENOPT(PrepareForThinLTO , 1, 0) ///< Set when -flto=thin is enabled on the
144                                     ///< compile step.
145CODEGENOPT(LTOUnit, 1, 0) ///< Emit IR to support LTO unit features (CFI, whole
146                          ///< program vtable opt).
147CODEGENOPT(EnableSplitLTOUnit, 1, 0) ///< Enable LTO unit splitting to support
148				     /// CFI and traditional whole program
149				     /// devirtualization that require whole
150				     /// program IR support.
151CODEGENOPT(IncrementalLinkerCompatible, 1, 0) ///< Emit an object file which can
152                                              ///< be used with an incremental
153                                              ///< linker.
154CODEGENOPT(MergeAllConstants , 1, 1) ///< Merge identical constants.
155CODEGENOPT(MergeFunctions    , 1, 0) ///< Set when -fmerge-functions is enabled.
156CODEGENOPT(MSVolatile        , 1, 0) ///< Set when /volatile:ms is enabled.
157CODEGENOPT(NoCommon          , 1, 0) ///< Set when -fno-common or C++ is enabled.
158CODEGENOPT(NoDwarfDirectoryAsm , 1, 0) ///< Set when -fno-dwarf-directory-asm is
159                                       ///< enabled.
160CODEGENOPT(NoExecStack       , 1, 0) ///< Set when -Wa,--noexecstack is enabled.
161CODEGENOPT(FatalWarnings     , 1, 0) ///< Set when -Wa,--fatal-warnings is
162                                     ///< enabled.
163CODEGENOPT(NoWarn            , 1, 0) ///< Set when -Wa,--no-warn is enabled.
164CODEGENOPT(EnableSegmentedStacks , 1, 0) ///< Set when -fsplit-stack is enabled.
165CODEGENOPT(NoInlineLineTables, 1, 0) ///< Whether debug info should contain
166                                     ///< inline line tables.
167CODEGENOPT(StackClashProtector, 1, 0) ///< Set when -fstack-clash-protection is enabled.
168CODEGENOPT(NoImplicitFloat   , 1, 0) ///< Set when -mno-implicit-float is enabled.
169CODEGENOPT(NullPointerIsValid , 1, 0) ///< Assume Null pointer deference is defined.
170CODEGENOPT(CorrectlyRoundedDivSqrt, 1, 0) ///< -cl-fp32-correctly-rounded-divide-sqrt
171CODEGENOPT(UniqueInternalLinkageNames, 1, 0) ///< Internal Linkage symbols get unique names.
172CODEGENOPT(SplitMachineFunctions, 1, 0) ///< Split machine functions using profile information.
173
174/// When false, this attempts to generate code as if the result of an
175/// overflowing conversion matches the overflowing behavior of a target's native
176/// float-to-int conversion instructions.
177CODEGENOPT(StrictFloatCastOverflow, 1, 1)
178
179CODEGENOPT(UniformWGSize     , 1, 0) ///< -cl-uniform-work-group-size
180CODEGENOPT(NoZeroInitializedInBSS , 1, 0) ///< -fno-zero-initialized-in-bss.
181/// Method of Objective-C dispatch to use.
182ENUM_CODEGENOPT(ObjCDispatchMethod, ObjCDispatchMethodKind, 2, Legacy)
183/// Replace certain message sends with calls to ObjC runtime entrypoints
184CODEGENOPT(ObjCConvertMessagesToRuntimeCalls , 1, 1)
185
186VALUE_CODEGENOPT(OptimizationLevel, 2, 0) ///< The -O[0-3] option specified.
187VALUE_CODEGENOPT(OptimizeSize, 2, 0) ///< If -Os (==1) or -Oz (==2) is specified.
188
189CODEGENOPT(AtomicProfileUpdate , 1, 0) ///< Set -fprofile-update=atomic
190/// Choose profile instrumenation kind or no instrumentation.
191ENUM_CODEGENOPT(ProfileInstr, ProfileInstrKind, 2, ProfileNone)
192/// Choose profile kind for PGO use compilation.
193ENUM_CODEGENOPT(ProfileUse, ProfileInstrKind, 2, ProfileNone)
194CODEGENOPT(CoverageMapping , 1, 0) ///< Generate coverage mapping regions to
195                                   ///< enable code coverage analysis.
196CODEGENOPT(DumpCoverageMapping , 1, 0) ///< Dump the generated coverage mapping
197                                       ///< regions.
198
199  /// If -fpcc-struct-return or -freg-struct-return is specified.
200ENUM_CODEGENOPT(StructReturnConvention, StructReturnConventionKind, 2, SRCK_Default)
201
202CODEGENOPT(RelaxAll          , 1, 0) ///< Relax all machine code instructions.
203CODEGENOPT(RelaxedAliasing   , 1, 0) ///< Set when -fno-strict-aliasing is enabled.
204CODEGENOPT(StructPathTBAA    , 1, 0) ///< Whether or not to use struct-path TBAA.
205CODEGENOPT(NewStructPathTBAA , 1, 0) ///< Whether or not to use enhanced struct-path TBAA.
206CODEGENOPT(SaveTempLabels    , 1, 0) ///< Save temporary labels.
207CODEGENOPT(SanitizeAddressUseAfterScope , 1, 0) ///< Enable use-after-scope detection
208                                                ///< in AddressSanitizer
209CODEGENOPT(SanitizeAddressPoisonCustomArrayCookie, 1,
210           0) ///< Enable poisoning operator new[] which is not a replaceable
211              ///< global allocation function in AddressSanitizer
212CODEGENOPT(SanitizeAddressGlobalsDeadStripping, 1, 0) ///< Enable linker dead stripping
213                                                      ///< of globals in AddressSanitizer
214CODEGENOPT(SanitizeAddressUseOdrIndicator, 1, 0) ///< Enable ODR indicator globals
215CODEGENOPT(SanitizeMemoryTrackOrigins, 2, 0) ///< Enable tracking origins in
216                                             ///< MemorySanitizer
217CODEGENOPT(SanitizeMemoryUseAfterDtor, 1, 0) ///< Enable use-after-delete detection
218                                             ///< in MemorySanitizer
219CODEGENOPT(SanitizeCfiCrossDso, 1, 0) ///< Enable cross-dso support in CFI.
220CODEGENOPT(SanitizeMinimalRuntime, 1, 0) ///< Use "_minimal" sanitizer runtime for
221                                         ///< diagnostics.
222CODEGENOPT(SanitizeCfiICallGeneralizePointers, 1, 0) ///< Generalize pointer types in
223                                                     ///< CFI icall function signatures
224CODEGENOPT(SanitizeCfiCanonicalJumpTables, 1, 0) ///< Make jump table symbols canonical
225                                                 ///< instead of creating a local jump table.
226CODEGENOPT(SanitizeCoverageType, 2, 0) ///< Type of sanitizer coverage
227                                       ///< instrumentation.
228CODEGENOPT(SanitizeCoverageIndirectCalls, 1, 0) ///< Enable sanitizer coverage
229                                                ///< for indirect calls.
230CODEGENOPT(SanitizeCoverageTraceBB, 1, 0) ///< Enable basic block tracing in
231                                          ///< in sanitizer coverage.
232CODEGENOPT(SanitizeCoverageTraceCmp, 1, 0) ///< Enable cmp instruction tracing
233                                           ///< in sanitizer coverage.
234CODEGENOPT(SanitizeCoverageTraceDiv, 1, 0) ///< Enable div instruction tracing
235                                           ///< in sanitizer coverage.
236CODEGENOPT(SanitizeCoverageTraceGep, 1, 0) ///< Enable GEP instruction tracing
237                                           ///< in sanitizer coverage.
238CODEGENOPT(SanitizeCoverage8bitCounters, 1, 0) ///< Use 8-bit frequency counters
239                                               ///< in sanitizer coverage.
240CODEGENOPT(SanitizeCoverageTracePC, 1, 0) ///< Enable PC tracing
241                                          ///< in sanitizer coverage.
242CODEGENOPT(SanitizeCoverageTracePCGuard, 1, 0) ///< Enable PC tracing with guard
243                                               ///< in sanitizer coverage.
244CODEGENOPT(SanitizeCoverageInline8bitCounters, 1, 0) ///< Use inline 8bit counters.
245CODEGENOPT(SanitizeCoverageInlineBoolFlag, 1, 0) ///< Use inline bool flag.
246CODEGENOPT(SanitizeCoveragePCTable, 1, 0) ///< Create a PC Table.
247CODEGENOPT(SanitizeCoverageNoPrune, 1, 0) ///< Disable coverage pruning.
248CODEGENOPT(SanitizeCoverageStackDepth, 1, 0) ///< Enable max stack depth tracing
249CODEGENOPT(SanitizeStats     , 1, 0) ///< Collect statistics for sanitizers.
250CODEGENOPT(SimplifyLibCalls  , 1, 1) ///< Set when -fbuiltin is enabled.
251CODEGENOPT(SoftFloat         , 1, 0) ///< -soft-float.
252CODEGENOPT(SpeculativeLoadHardening, 1, 0) ///< Enable speculative load hardening.
253CODEGENOPT(FineGrainedBitfieldAccesses, 1, 0) ///< Enable fine-grained bitfield accesses.
254CODEGENOPT(StrictEnums       , 1, 0) ///< Optimize based on strict enum definition.
255CODEGENOPT(StrictVTablePointers, 1, 0) ///< Optimize based on the strict vtable pointers
256CODEGENOPT(TimePasses        , 1, 0) ///< Set when -ftime-report or -ftime-report= is enabled.
257CODEGENOPT(TimePassesPerRun  , 1, 0) ///< Set when -ftime-report=per-pass-run is enabled.
258CODEGENOPT(TimeTrace         , 1, 0) ///< Set when -ftime-trace is enabled.
259VALUE_CODEGENOPT(TimeTraceGranularity, 32, 500) ///< Minimum time granularity (in microseconds),
260                                               ///< traced by time profiler
261CODEGENOPT(UnrollLoops       , 1, 0) ///< Control whether loops are unrolled.
262CODEGENOPT(RerollLoops       , 1, 0) ///< Control whether loops are rerolled.
263CODEGENOPT(NoUseJumpTables   , 1, 0) ///< Set when -fno-jump-tables is enabled.
264CODEGENOPT(UnwindTables      , 1, 0) ///< Emit unwind tables.
265CODEGENOPT(VectorizeLoop     , 1, 0) ///< Run loop vectorizer.
266CODEGENOPT(VectorizeSLP      , 1, 0) ///< Run SLP vectorizer.
267CODEGENOPT(ProfileSampleAccurate, 1, 0) ///< Sample profile is accurate.
268
269  /// Attempt to use register sized accesses to bit-fields in structures, when
270  /// possible.
271CODEGENOPT(UseRegisterSizedBitfieldAccess , 1, 0)
272
273CODEGENOPT(VerifyModule      , 1, 1) ///< Control whether the module should be run
274                                     ///< through the LLVM Verifier.
275
276CODEGENOPT(StackRealignment  , 1, 0) ///< Control whether to force stack
277                                     ///< realignment.
278CODEGENOPT(UseInitArray      , 1, 0) ///< Control whether to use .init_array or
279                                     ///< .ctors.
280VALUE_CODEGENOPT(StackAlignment    , 32, 0) ///< Overrides default stack
281                                            ///< alignment, if not 0.
282VALUE_CODEGENOPT(StackProbeSize    , 32, 4096) ///< Overrides default stack
283                                               ///< probe size, even if 0.
284CODEGENOPT(NoStackArgProbe, 1, 0) ///< Set when -mno-stack-arg-probe is used
285CODEGENOPT(DebugColumnInfo, 1, 0) ///< Whether or not to use column information
286                                  ///< in debug info.
287
288CODEGENOPT(DebugTypeExtRefs, 1, 0) ///< Whether or not debug info should contain
289                                   ///< external references to a PCH or module.
290
291CODEGENOPT(DebugExplicitImport, 1, 0)  ///< Whether or not debug info should
292                                       ///< contain explicit imports for
293                                       ///< anonymous namespaces
294
295CODEGENOPT(SplitDwarfInlining, 1, 1) ///< Whether to include inlining info in the
296                                     ///< skeleton CU to allow for symbolication
297                                     ///< of inline stack frames without .dwo files.
298CODEGENOPT(DebugFwdTemplateParams, 1, 0) ///< Whether to emit complete
299                                         ///< template parameter descriptions in
300                                         ///< forward declarations (versus just
301                                         ///< including them in the name).
302CODEGENOPT(EmitLLVMUseLists, 1, 0) ///< Control whether to serialize use-lists.
303
304CODEGENOPT(WholeProgramVTables, 1, 0) ///< Whether to apply whole-program
305                                      ///  vtable optimization.
306
307CODEGENOPT(VirtualFunctionElimination, 1, 0) ///< Whether to apply the dead
308                                             /// virtual function elimination
309                                             /// optimization.
310
311/// Whether to use public LTO visibility for entities in std and stdext
312/// namespaces. This is enabled by clang-cl's /MT and /MTd flags.
313CODEGENOPT(LTOVisibilityPublicStd, 1, 0)
314
315/// The user specified number of registers to be used for integral arguments,
316/// or 0 if unspecified.
317VALUE_CODEGENOPT(NumRegisterParameters, 32, 0)
318
319/// The threshold to put data into small data section.
320VALUE_CODEGENOPT(SmallDataLimit, 32, 0)
321
322/// The lower bound for a buffer to be considered for stack protection.
323VALUE_CODEGENOPT(SSPBufferSize, 32, 0)
324
325/// The kind of generated debug info.
326ENUM_CODEGENOPT(DebugInfo, codegenoptions::DebugInfoKind, 4, codegenoptions::NoDebugInfo)
327
328/// Whether to generate macro debug info.
329CODEGENOPT(MacroDebugInfo, 1, 0)
330
331/// Tune the debug info for this debugger.
332ENUM_CODEGENOPT(DebuggerTuning, llvm::DebuggerKind, 2,
333                llvm::DebuggerKind::Default)
334
335/// Dwarf version. Version zero indicates to LLVM that no DWARF should be
336/// emitted.
337VALUE_CODEGENOPT(DwarfVersion, 3, 0)
338
339/// Whether to use experimental new variable location tracking.
340CODEGENOPT(ValueTrackingVariableLocations, 1, 0)
341
342/// Whether we should emit CodeView debug information. It's possible to emit
343/// CodeView and DWARF into the same object.
344CODEGENOPT(EmitCodeView, 1, 0)
345
346/// Whether to emit the .debug$H section containing hashes of CodeView types.
347CODEGENOPT(CodeViewGHash, 1, 0)
348
349/// The kind of inlining to perform.
350ENUM_CODEGENOPT(Inlining, InliningMethod, 2, NormalInlining)
351
352// Vector functions library to use.
353ENUM_CODEGENOPT(VecLib, VectorLibrary, 3, NoLibrary)
354
355/// The default TLS model to use.
356ENUM_CODEGENOPT(DefaultTLSModel, TLSModel, 2, GeneralDynamicTLSModel)
357
358/// Bit size of immediate TLS offsets (0 == use the default).
359VALUE_CODEGENOPT(TLSSize, 8, 0)
360
361/// The default stack protector guard offset to use.
362VALUE_CODEGENOPT(StackProtectorGuardOffset, 32, (unsigned)-1)
363
364/// Number of path components to strip when emitting checks. (0 == full
365/// filename)
366VALUE_CODEGENOPT(EmitCheckPathComponentsToStrip, 32, 0)
367
368/// Whether to report the hotness of the code region for optimization remarks.
369CODEGENOPT(DiagnosticsWithHotness, 1, 0)
370
371/// Whether to use direct access relocations (instead of GOT) to reference external data symbols.
372CODEGENOPT(DirectAccessExternalData, 1, 0)
373
374/// Whether we should use the undefined behaviour optimization for control flow
375/// paths that reach the end of a function without executing a required return.
376CODEGENOPT(StrictReturn, 1, 1)
377
378/// Whether emit extra debug info for sample pgo profile collection.
379CODEGENOPT(DebugInfoForProfiling, 1, 0)
380
381/// Whether emit pseudo probes for sample pgo profile collection.
382CODEGENOPT(PseudoProbeForProfiling, 1, 0)
383
384/// Whether 3-component vector type is preserved.
385CODEGENOPT(PreserveVec3Type, 1, 0)
386
387/// Whether to emit .debug_gnu_pubnames section instead of .debug_pubnames.
388CODEGENOPT(DebugNameTable, 2, 0)
389
390/// Whether to use DWARF base address specifiers in .debug_ranges.
391CODEGENOPT(DebugRangesBaseAddress, 1, 0)
392
393CODEGENOPT(NoPLT, 1, 0)
394
395/// Whether to embed source in DWARF debug line section.
396CODEGENOPT(EmbedSource, 1, 0)
397
398/// Whether to emit all vtables
399CODEGENOPT(ForceEmitVTables, 1, 0)
400
401/// Whether to emit an address-significance table into the object file.
402CODEGENOPT(Addrsig, 1, 0)
403
404/// Whether to emit unused static constants.
405CODEGENOPT(KeepStaticConsts, 1, 0)
406
407/// Whether to follow the AAPCS enforcing at least one read before storing to a volatile bitfield
408CODEGENOPT(ForceAAPCSBitfieldLoad, 1, 0)
409
410/// Assume that by-value parameters do not alias any other values.
411CODEGENOPT(PassByValueIsNoAlias, 1, 0)
412
413/// Whether to not follow the AAPCS that enforces volatile bit-field access width to be
414/// according to the field declaring type width.
415CODEGENOPT(AAPCSBitfieldWidth, 1, 1)
416
417#undef CODEGENOPT
418#undef ENUM_CODEGENOPT
419#undef VALUE_CODEGENOPT
420